[New product pre-sale] LoRa wireless data transmission terminal_LoRa RTU
With the continuous development of the Internet of Things, more and more fragmented terminal devices realize network access. LoRa, as the most promising low-power wide-area communication technology at present, has been used in all walks of life. ZHC0561 and ZHC0661 are low-frequency (470~510MHz) half-duplex wireless